From owner-freebsd-amd64@freebsd.org Thu Mar 23 11:36:03 2017 Return-Path: Delivered-To: freebsd-amd64@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 1578CD1A402 for ; Thu, 23 Mar 2017 11:36:03 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from citapm.icyb.net.ua (citapm.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id 372AE1FE2; Thu, 23 Mar 2017 11:36:01 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from porto.starpoint.kiev.ua (porto-e.starpoint.kiev.ua [212.40.38.100]) by citapm.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id NAA02175; Thu, 23 Mar 2017 13:36:00 +0200 (EET) (envelope-from avg@FreeBSD.org) Received: from localhost ([127.0.0.1]) by porto.starpoint.kiev.ua with esmtp (Exim 4.34 (FreeBSD)) id 1cr128-000Atf-45; Thu, 23 Mar 2017 13:36:00 +0200 Subject: Re: FreeBSD on Ryzen To: Don Lewis References: <201703222326.v2MNQ7o1030213@gw.catspoiler.org> Cc: freebsd-amd64@FreeBSD.org From: Andriy Gapon Message-ID: Date: Thu, 23 Mar 2017 13:35:03 +0200 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 MIME-Version: 1.0 In-Reply-To: <201703222326.v2MNQ7o1030213@gw.catspoiler.org> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Mailman-Approved-At: Thu, 23 Mar 2017 12:36:46 +0000 X-BeenThere: freebsd-amd64@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Porting FreeBSD to the AMD64 platform List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 23 Mar 2017 11:36:03 -0000 On 03/23/2017 01:26, Don Lewis wrote: > Yes. The motherboard is a Gigabyte GA-AB350 Gaming. On the motherboard > specification page it specifically says: > Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules (operate in > non-ECC mode) > and there are no knobs in the BIOS to enable ECC. I was hoping to get > lucky though because the memory support list has an entry for the RAM > that I purchased with a checkmark in the ECC column. I've got some older > Gigabyte AM2 - AM3+ boards that support ECC even though it is not > mentioned anywhere in the spec. > > I have heard rumors that some other motherboards silently support ECC if > they detect it even though they don't have any mention of it in their > BIOS configuration screens. Yeah, that's the reason I asked. > To check this I installed the latest > version of Fedora rawhide and there was no indication of ECC support in > the boot messages, edac-utils didn't find it, and dmidecode said that > the memory was 64 bits wide and not 72. -- Andriy Gapon